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Chicago Weather: Winter Storm Warning Starts Monday Afternoon

CHICAGO (CBS) -- A Winter Storm Warning begins Monday afternoon and lasts until Tuesday afternoon, as a snowstorm is set to blow in.

Winter Storm Warning: 01.24.21
(Credit: CBS 2)
Winter Storm Warning: 01.24.21
(Credit: CBS 2)

The winter storm is looking better organized as low pressure deepens – with cold air wrapping behind the system, and mild, moist air lining up ahead of it.

For Sunday night, a few flurries will be present lakeside, but otherwise it will be cloudy with a low of 27.

Surface Map: 01.24.21
(Credit: CBS 2)

Dry air was in place Sunday night that the storm will have to overcome as it moves in on Monday. The storm will drag moisture from the Gulf of Mexico into our region Monday evening.

Lakeside flurries are possible through the day on Monday, but the system snow will start to accumulate as the sun sets Monday.

Winds will also increase throughout the day out of the northeast with gusts to 40 mph. This will create high waves and lake-enhanced snow through Tuesday.

The heaviest snow timeframe is expected to be Monday evening through midnight. Snowfall rates of one inch per hour are possible during that time.

Snow totals are expected to reach 5 to 8 inches. Waves could reach 10-12 feet.

Snowfall 12:15 p.m. Tuesday: 01.24.21
(Credit: CBS 2)
Snowfall Tracker Noon Tuesday: 01.24.21
(Credit: CBS 2)

The high for Monday is 32, while the low for Monday night is 30. The high for Tuesday is also 32.

7 Day Forecast: 01.24.21
(Credit: CBS 2)

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